<ul class="l-one-depth-list">
    <li>
        <div><span class="fas fa-compress"></span> Merge</div>
        <ul class="l-two-depth-list">
            <li class="l-selectable-command" *ngFor="let key of objectKeys(mergeNodeStateMap)" (click)="onClickMergeCheck(key)">
                <i [ngClass]="getClassState(key)"></i> {{key}}
            </li>
        </ul>
    </li>
    <li class="l-selectable-command" (click)="onClickRefresh()"><span class="fas fa-sync"></span> Refresh</li>
</ul>
